[Freesurfer] ascii file

2009-07-20 Thread Feng-Xian
Hi, I have two problems want to solve. First, I want to know what coordinates it is, when I type the following command. mris_convert -c lh.thickness lh.white lh.thickness.asc Is it Tal coordinate?? Second, if the asc file doesn't use Tal coordinate, what commands do I type to obtain

Re: [Freesurfer] ascii file

2009-07-20 Thread Bruce Fischl
Hi Feng-Xian, the coordinates are native RAS. You can use mri_surf2surf to convert the surface to tal coords with the talairach.xfm. cheers, Bruce On Mon, 20 Jul 2009, Feng-Xian wrote: > > Hi, > I have two problems want to solve. > First, I want to know what coordinates it is, when I type t

Re: [Freesurfer] FreeSurfer: fornix_and_versions

2009-07-20 Thread Judit Haasz
Bruce Fischl wrote: > Hi Judit, > > the fornix is labeled in the aseg, not the parcellation, although this > is not the default). If you rerun mri_cc with the -fornix option it > will write a volume named mri/fornix.mgz with the fornix in it. > > cheers, > Bruce > > On Wed, 1 Jul 2009, Judit Haas

Re: [Freesurfer] FreeSurfer: fornix_and_versions

2009-07-20 Thread Bruce Fischl
Hi Judit, all the edits will be kept, so that shouldn't be a problem. It's hard to diagnose the wm segmentation without looking at a volume, but if they are really hyperintense you may need to manually fill them in in the wm.mgz. As for mri_cc, you should use aseg.auto_noCCseg.mgz instead of as

Re: [Freesurfer] Three classes and GLM / mri_glmfit dof bug

2009-07-20 Thread Douglas N Greve
It probably won't change it that much as it's just a t or F test. doug Georg Homola wrote: > Hi Doug, > > so it should also be easily possible to compare only two runs of one subject > as I initially wanted to do it. To compute the weighted combination would be > a hell of a work for me, since I

[Freesurfer] memory requirement...

2009-07-20 Thread Gonzalo Rojas
Hi: I installed Freesurfer v4.4.0 in a PC with 1 GB RAM... There will be any problem to run Freesurfer in that PC, or only it runs slow ?... Sincerely, Gonzalo Rojas Costa Department of Radiology Las Condes Clinic Lo Fontecilla 441, Las Condes, Santiago, Chile. Tel: 56-2-2105170 Cel: 56

[Freesurfer] RES: memory requirement...

2009-07-20 Thread Pedro Paulo de Magalhaes Oliveira Jr
1GB is the lower limit. Sometimes it can run out of memory or slow down by the swap Enviado do meu celular Nokia -Msg original- De: Gonzalo Rojas Enviada: 20/07/2009 21:03:36 Para: freesurfer@nmr.mgh.harvard.edu Assunto: [Freesurfer] memory requirement... Hi: I installed Freesurfer